Annual report pursuant to Section 13 and 15(d)

Cover
- Document and Entity Information
Financial Statements
Notes to Financial Statements
Accounting Policies
- Summary of Significant Accounting Policies (Policies)
Notes Tables
Notes Details

Summary of Significant Accounting Policies (Details Narrative)

v3.8.0.1

Summary of Significant Accounting Policies (Details Narrative) - USD ($)	6 Months Ended	12 Months Ended
	Jun. 30, 2016	Dec. 31, 2017	Dec. 31, 2016
Cash on hand		$ 1,063,000	$ 163,000
Percentage of reserves for doubtful accounts receivable		100.00%
Depreciation		$ 3,429,000	3,717,000
Impairment charges
Property, plant and equipment, useful life	1 year 7 months 6 days
Revenue		6,312,000	4,419,000
Sales Revenue, Net [Member] \| PSC Metal, Inc [Member]
Revenue			$ 9,763,000
Concentration risk percentage			19.10%
Federal Government [Member]
Revenue		36,654,000	$ 27,354,000
Federal Government [Member] \| Sales Revenue, Net [Member]
Revenue		$ 36,654,400	$ 27,354,000
Concentration risk percentage		73.60%	53.40%
Customer One [Member] \| Accounts Receivable [Member]
Concentration risk percentage		17.90%	10.10%
Customer Two [Member] \| Accounts Receivable [Member]
Concentration risk percentage		16.80%	20.80%
Minimum [Member]
Property, plant and equipment, useful life	2 years
Maximum [Member]
Property, plant and equipment, useful life	28 years
Building [Member] \| Minimum [Member]
Property, plant and equipment, useful life		10 years
Building [Member] \| Maximum [Member]
Property, plant and equipment, useful life		40 years
Office Furniture And Equipment [Member] \| Minimum [Member]
Property, plant and equipment, useful life		3 years
Office Furniture And Equipment [Member] \| Maximum [Member]
Property, plant and equipment, useful life		7 years
M&EC [Member]
Revenue		$ 6,312,000	$ 4,419,000
Medical Segment [Member]
Research and Development Expense		1,141,000	1,489,000
Foreign Subsidiaries [Member]
Cash on hand		$ 305,000	$ 157,000

- Definition

Percentage of reserves for doubtful accounts receivable.

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Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Excludes cash and cash equivalents within disposal group and discontinued operation.

+ References

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For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

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The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of an intangible asset (excluding goodwill) to fair value.

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Amount of other research and development expense.

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Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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